• Laura Parra-Anguita, Sara Moreno-Cámara, María Dolores López-Franco, and Pedro L Pancorbo-Hidalgo.
• Department of Nursing, Faculty of Health Sciences, University of Jaén, Jaén, Spain.
• J. Alzheimers Dis. 2018 Jan 1; 65 (4): 1175-1183.

BackgroundThere are currently no questionnaires to measure the knowledge of nurses about dementia or Alzheimer's disease care in the Spanish language.ObjectiveTo validate the Spanish version of the Dementia Knowledge Assessment Tool 2 (DKAT2-Sp).MethodsThe DKAT2 was translated into Spanish and then back-translated. The new Spanish version was validated in a sample of 361 members of the nursing staff from 24 nursing homes and a sample of 297 nursing students in Spain. Psychometric properties were assessed through an item analysis, a Rasch analysis, differential item functioning analysis, construct validity (known groups), and internal consistency (Cronbach's alpha).ResultsThe 21 items of the DKAT2-Sp fit the model well, showing a wide range of difficulty. Four items have differential items functioning between nursing professionals and students. The DKAT2-Sp shows acceptable internal consistency (Cronbach's alpha = 0.76 for nursing professionals and 0.83 for students). Scores obtained in the known groups test were as hypothesized (Nursing home staff mean = 15.57 versus Nursing student mean = 12.85; p < 0.0001 for mean difference), supporting construct validity.ConclusionThe DKAT2-Sp is a reliable and valid questionnaire to measure knowledge about dementia in both nursing professionals and nursing students in Spanish-speaking contexts.

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